Finding the Fourth Proportional to 378,289.08, 522,032.52 and 206,208.96
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Solution
The fourth proportional to 378,289.08, 522,032.52 and 206,208.96 is: 284,564.87
Step by Step Solution
- Step 1: Write the proportion equation
378,289.08 : 522,032.52 = 206,208.96 : x - Step 2: Convert to fraction form
378,289.08/522,032.52 = 206,208.96/x - Step 3: Cross multiply
378,289.08x = 522,032.52 × 206,208.96 - Step 4: Simplify right side
378,289.08x = 107,647,783,035.38 - Step 5: Solve for x
x = 107,647,783,035.38/378,289.08 - Step 6: Final answer
x = 284,564.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.